package com.atguigu;

/**
 * @Author lzc
 * @Date 2022/3/23 9:06
 */
public class Demo {
    public static void main(String[] args) {
//        System.out.println(1 - 0.1 == 0.9);
//        System.out.println(1 - 0.9 == 0.1);
//        System.out.println(1-0.9);
    
//        System.out.println(1/0);
//        System.out.println(-1.0/0);
        System.out.println(0.0/0);
    }
}
